/*
 * Copyright(C)2014 MediaTek Inc.
 * Modification based on code covered by the below mentioned copyright
 * and/or permission notice(S).
 */

/* ITG1010 motion sensor driver
 *
 * This software is licensed under the terms of the GNU General Public
 * License version 2, as published by the Free Software Foundation, and
 * may be copied, distributed, and modified under those terms.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 */

#ifndef ITG1010_H
#define ITG1010_H

#include <linux/ioctl.h>

#define ITG1010_I2C_SLAVE_ADDR 0xD0

/* ITG1010 Register Map  (Please refer to ITG1010 Specifications) */

#define ITG1010_REG_DEVID 0x75
#define ITG1010_REG_FIFO_EN 0x23
#define ITG1010_REG_AUX_VDD 0x01

#define ITG1010_REG_SAMRT_DIV 0x19
/* set external sync, full-scale range and sample rate, low pass filter
 * bandwidth
 */
#define ITG1010_REG_CFG 0x1A
#define ITG1010_REG_GYRO_CFG 0x1B /* full-scale range and sample rate, */

#define ITG1010_REG_GYRO_XH 0x43

#define ITG1010_REG_TEMPH 0x41

#define ITG1010_REG_FIFO_CNTH 0x72
#define ITG1010_REG_FIFO_CNTL 0x73
#define ITG1010_REG_FIFO_DATA 0x74
#define ITG1010_REG_FIFO_CTL 0x6A
#define ITG1010_REG_PWR_CTL 0x6B
#define ITG1010_REG_PWR_CTL2 0x6C

/*ITG1010 Register Bit definitions*/

#define ITG1010_FIFO_GYROX_EN 0x40 /* insert the X Gyro data into FIFO */
#define ITG1010_FIFO_GYROY_EN 0x20 /* insert the Y Gyro data into FIFO */
#define ITG1010_FIFO_GYROZ_EN 0x10 /* insert the Z Gyro data into FIFO */
/* disable VDD level for the secondary I2C bus clock and data lines	*/
#define ITG1010_AUX_VDDIO_DIS 0x00

/* for ITG1010_REG_CFG */
/* 0x05    //captue the state of external frame sync input pin to insert into
 * LSB of registers
 */
#define ITG1010_EXT_SYNC 0x03
#define ITG1010_SYNC_GYROX 0x02

/* for ITG1010_REG_GYRO_CFG */
/* set the full-scale range of the gyro sensors */
#define ITG1010_FS_RANGE 0x03
#define ITG1010_FS_1000 0x02

#define ITG1010_FS_1000_LSB 33
#define ITG1010_FS_MAX_LSB 131

#define ITG1010_RATE_1K_LPFB_188HZ 0x01
#define ITG1010_RATE_1K_LPFB_256HZ 0x00

#define ITG1010_FIFO_EN 0x40 /* enable FIFO operation for sensor data */

#define ITG1010_FIFO_RST 0x40 /* reset FIFO function */

#define ITG1010_SLEEP 0x40 /* enable low power sleep mode */

#define ITG1010_SUCCESS 0
#define ITG1010_ERR_I2C -1
#define ITG1010_ERR_STATUS -3
#define ITG1010_ERR_SETUP_FAILURE -4
#define ITG1010_ERR_GETGSENSORDATA -5
#define ITG1010_ERR_IDENTIFICATION -6

#define ITG1010_GYRO_ODR_400HZ 0x0A
#define ITG1010_GYRO_ODR_200HZ 0x0B
#define ITG1010_GYRO_ODR_100HZ 0x0C

#define ITG1010_BUFSIZE 60

/* 1 rad = 180/PI degree, MAX_LSB = 131, */
/* 180*131/PI = 7506 */
#define DEGREE_TO_RAD 7506

#ifdef CONFIG_CUSTOM_KERNEL_GYROSCOPE_MODULE
extern bool gyro_success_Flag;
#endif

#endif /* ITG1010_H */
